Elizabeth believed the dog would die if ________ to her cruel owners so she kept it.

—What’s the matter with Tim?
—Oh. His electronic dictionary was left in a taxi accidentally, never ________ again.

In a public library one has access to whatever book _________ in Britain.
a. appearing            b. having appeared  c. appears           d. that appears[来源:学科网ZXXK]

The student had no choice but _____ his teacher ____ the mistake he had made.

_____ his happy look, he must have passed the driving test.

_____ to too much sunlight, as is generally considered, will add to the potential of catching skin cancer.

There was a nice little gift for everyone, with a suitable poem _____ to it.

Tracy Mcgrady announced his operation decision to the press without informing his club, leaving his team members ______ why he did so.

He said to me with an _________ look on his face.

When he awoke, he found himself ______ in the hospital and ______ by an old woman.